Home / 12,311.28-16,991.24-7,006.59

Finding the Fourth Proportional to 12,311.28, 16,991.24 and 7,006.59

Calculator

Solution

The fourth proportional to 12,311.28, 16,991.24 and 7,006.59 is: 9,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.28 : 16,991.24 = 7,006.59 : x
  2. Step 2: Convert to fraction form
    12,311.28/16,991.24 = 7,006.59/x
  3. Step 3: Cross multiply
    12,311.28x = 16,991.24 × 7,006.59
  4. Step 4: Simplify right side
    12,311.28x = 119,050,617.24
  5. Step 5: Solve for x
    x = 119,050,617.24/12,311.28
  6. Step 6: Final answer
    x = 9,670.04

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.